v3.25.2
Revenue from Contracts with Customers - Schedule of Disaggregated Revenue by Market (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Disaggregation of Revenue [Line Items]      
Revenues $ 5,810,115 $ 4,707,688 $ 5,160,100
Industrial      
Disaggregation of Revenue [Line Items]      
Revenues 1,707,785 1,680,176 1,761,621
Communications      
Disaggregation of Revenue [Line Items]      
Revenues 3,436,040 2,273,761 2,293,380
Electronics      
Disaggregation of Revenue [Line Items]      
Revenues 286,386 355,905 625,639
Instrumentation      
Disaggregation of Revenue [Line Items]      
Revenues 379,904 397,846 479,460
Networking      
Disaggregation of Revenue [Line Items]      
Revenues 3,421,276 2,295,729 2,340,930
Networking | Industrial      
Disaggregation of Revenue [Line Items]      
Revenues 61,971 63,905 70,076
Networking | Communications      
Disaggregation of Revenue [Line Items]      
Revenues 3,320,780 2,192,286 2,219,677
Networking | Electronics      
Disaggregation of Revenue [Line Items]      
Revenues 8,185 6,655 11,488
Networking | Instrumentation      
Disaggregation of Revenue [Line Items]      
Revenues 30,340 32,883 39,689
Materials      
Disaggregation of Revenue [Line Items]      
Revenues 953,843 1,016,573 1,349,758
Materials | Industrial      
Disaggregation of Revenue [Line Items]      
Revenues 516,768 546,003 603,664
Materials | Communications      
Disaggregation of Revenue [Line Items]      
Revenues 115,260 81,475 73,703
Materials | Electronics      
Disaggregation of Revenue [Line Items]      
Revenues 278,181 349,250 614,151
Materials | Instrumentation      
Disaggregation of Revenue [Line Items]      
Revenues 43,634 39,845 58,240
Lasers      
Disaggregation of Revenue [Line Items]      
Revenues 1,434,996 1,395,386 1,469,412
Lasers | Industrial      
Disaggregation of Revenue [Line Items]      
Revenues 1,129,046 1,070,268 1,087,881
Lasers | Communications      
Disaggregation of Revenue [Line Items]      
Revenues 0 0 0
Lasers | Electronics      
Disaggregation of Revenue [Line Items]      
Revenues 20 0 0
Lasers | Instrumentation      
Disaggregation of Revenue [Line Items]      
Revenues $ 305,930 $ 325,118 $ 381,531